/dikˈhōˌbō/
Noun
1) A boy, cleverly disguised as an older man, who leaches off of his girlfriend rather than getting a real job and contributing to living expenses.
2) Synonymous with "a scrub", except older in age, and in a live-in situation.

Moving in together seemed so great until Joy realized David was a dickhobo. She's either moving out or getting a second job.